Fan



FIG. 1 is a perspective view of a fan showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is an underneath plan view thereof.

The features of the design as claimed by applicants are shown in bold lines. The features shown in dotted lines are not claimed and are provided to indicate the context of the design. 

We claim the ornamental design for a fan, as shown and described. 